lib: Don't access configuration if none is present

Commit e457d5ef2015e6106094b85f8bbd1582002edc4d adds ability to pass the
default URI using the client configuration file. If the file is not
present, it still accesses the NULL config object causing a segfault.

Caught running "make check".

diff --git a/src/libvirt.c b/src/libvirt.c
index 1c0cdf7c6390860cf20ca930a25c02a4e89c31d7..d0b1b28d4434afccbd4c1f5145d84d819c4f29d0 100644 (file)
--- a/src/libvirt.c
+++ b/src/libvirt.c
@@ -1085,7 +1085,8 @@ virConnectOpenResolveURIAlias(virConfPtr conf,
 
     *uri = NULL;
 
-    if ((value = virConfGetValue(conf, "uri_aliases")))
+    if (conf &&
+        (value = virConfGetValue(conf, "uri_aliases")))
         ret = virConnectOpenFindURIAliasMatch(value, alias, uri);
     else
         ret = 0;